Do you want to compare Gateway with Obsidian? Discover the powers, weakness & weapons of Gateway and Obsidian from Gateway Biography and Obsidian Biography. Find out all about Gateway and Obsidian.# Check out how is Gateway unique and distinct from Obsidian. Discover their love interest, sidekicks, family tree and the movies and games list in which Gateway and Obsidian have appeared. Find out everything about them here!